TSTP Solution File: GRP415-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP415-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n020.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Sat Jul 16 08:46:44 EDT 2022

% Result   : Unsatisfiable 1.10s 1.51s
% Output   : Refutation 1.10s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    1
% Syntax   : Number of clauses     :   22 (  22 unt;   0 nHn;   3 RR)
%            Number of literals    :   22 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :   12 (   3 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   75 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(inverse(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),multiply(B,inverse(C)))),inverse(multiply(inverse(A),A)))))),C),
    file('GRP415-1.p',unknown),
    [] ).

cnf(2,plain,
    ~ equal(multiply(inverse(b1),b1),multiply(inverse(a1),a1)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(4,plain,
    equal(inverse(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),multiply(B,C))),inverse(multiply(inverse(A),A)))))),multiply(D,inverse(multiply(inverse(multiply(inverse(multiply(E,D)),multiply(E,inverse(C)))),inverse(multiply(inverse(D),D)))))),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(5,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),multiply(B,inverse(C)))),inverse(multiply(inverse(A),A))))),inverse(multiply(D,inverse(multiply(inverse(multiply(inverse(multiply(E,D)),multiply(E,C))),inverse(multiply(inverse(D),D))))))),
    inference(flip,[status(thm),theory(equality)],[4]),
    [iquote('flip(4)')] ).

cnf(19,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),multiply(B,inverse(inverse(C))))),inverse(multiply(inverse(A),A))))),C),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(22,plain,
    equal(inverse(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),C)),inverse(multiply(inverse(A),A)))))),multiply(inverse(multiply(inverse(multiply(D,B)),multiply(D,inverse(inverse(C))))),inverse(multiply(inverse(B),B)))),
    inference(para,[status(thm),theory(equality)],[19,1]),
    [iquote('para(19,1)')] ).

cnf(23,plain,
    equal(multiply(inverse(multiply(inverse(multiply(A,B)),multiply(A,inverse(inverse(C))))),inverse(multiply(inverse(B),B))),inverse(multiply(D,inverse(multiply(inverse(multiply(inverse(multiply(B,D)),C)),inverse(multiply(inverse(D),D))))))),
    inference(flip,[status(thm),theory(equality)],[22]),
    [iquote('flip(22)')] ).

cnf(35,plain,
    equal(multiply(inverse(multiply(inverse(multiply(A,B)),multiply(A,inverse(inverse(multiply(B,inverse(C))))))),inverse(multiply(inverse(B),B))),C),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,22]),1]),
    [iquote('para(1,22),flip(1)')] ).

cnf(50,plain,
    equal(inverse(inverse(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),multiply(B,C))),inverse(multiply(inverse(A),A))))))),C),
    inference(para,[status(thm),theory(equality)],[5,1]),
    [iquote('para(5,1)')] ).

cnf(65,plain,
    equal(inverse(multiply(A,inverse(inverse(multiply(B,inverse(multiply(inverse(multiply(inverse(multiply(A,B)),C)),inverse(multiply(inverse(B),B))))))))),inverse(C)),
    inference(para,[status(thm),theory(equality)],[23,1]),
    [iquote('para(23,1)')] ).

cnf(67,plain,
    equal(inverse(multiply(A,inverse(inverse(multiply(B,inverse(multiply(C,inverse(multiply(inverse(B),B))))))))),inverse(inverse(multiply(inverse(multiply(inverse(multiply(D,inverse(multiply(A,B)))),multiply(D,inverse(C)))),inverse(multiply(inverse(inverse(multiply(A,B))),inverse(multiply(A,B)))))))),
    inference(para,[status(thm),theory(equality)],[1,65]),
    [iquote('para(1,65)')] ).

cnf(111,plain,
    equal(inverse(multiply(inverse(multiply(inverse(multiply(A,B)),multiply(A,inverse(inverse(multiply(B,C)))))),inverse(multiply(inverse(B),B)))),C),
    inference(para,[status(thm),theory(equality)],[22,50]),
    [iquote('para(22,50)')] ).

cnf(511,plain,
    equal(inverse(inverse(multiply(inverse(multiply(inverse(multiply(A,inverse(multiply(B,C)))),multiply(A,inverse(inverse(multiply(inverse(multiply(D,C)),multiply(D,inverse(E)))))))),inverse(multiply(inverse(inverse(multiply(B,C))),inverse(multiply(B,C))))))),inverse(multiply(B,inverse(E)))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,67]),1]),
    [iquote('para(1,67),flip(1)')] ).

cnf(899,plain,
    equal(inverse(multiply(inverse(multiply(inverse(multiply(A,inverse(multiply(B,C)))),multiply(A,inverse(inverse(multiply(inverse(multiply(D,C)),multiply(D,inverse(E)))))))),inverse(multiply(inverse(inverse(multiply(B,C))),inverse(multiply(B,C)))))),multiply(B,inverse(E))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[511,1]),1]),1]),
    [iquote('para(511,1),demod([1]),flip(1)')] ).

cnf(927,plain,
    equal(inverse(multiply(inverse(multiply(A,B)),multiply(A,inverse(C)))),inverse(multiply(inverse(multiply(D,B)),multiply(D,inverse(C))))),
    inference(para,[status(thm),theory(equality)],[899,1]),
    [iquote('para(899,1)')] ).

cnf(931,plain,
    equal(inverse(multiply(inverse(multiply(A,B)),multiply(A,C))),inverse(multiply(inverse(multiply(D,B)),multiply(D,C)))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,927]),1]),
    [iquote('para(1,927),demod([1])')] ).

cnf(942,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,C)),multiply(inverse(multiply(D,B)),multiply(D,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[931,1]),1]),
    [iquote('para(931,1),demod([1])')] ).

cnf(961,plain,
    equal(multiply(A,multiply(inverse(multiply(inverse(multiply(B,C)),multiply(B,inverse(inverse(multiply(C,A)))))),D)),multiply(inverse(multiply(E,inverse(multiply(inverse(C),C)))),multiply(E,D))),
    inference(para,[status(thm),theory(equality)],[111,942]),
    [iquote('para(111,942)')] ).

cnf(1323,plain,
    equal(multiply(inverse(A),A),multiply(inverse(multiply(B,inverse(multiply(inverse(C),C)))),multiply(B,inverse(multiply(inverse(C),C))))),
    inference(para,[status(thm),theory(equality)],[35,961]),
    [iquote('para(35,961)')] ).

cnf(1324,plain,
    equal(multiply(inverse(multiply(A,inverse(multiply(inverse(B),B)))),multiply(A,inverse(multiply(inverse(B),B)))),multiply(inverse(C),C)),
    inference(flip,[status(thm),theory(equality)],[1323]),
    [iquote('flip(1323)')] ).

cnf(1325,plain,
    ~ equal(multiply(inverse(multiply(A,inverse(multiply(inverse(B),B)))),multiply(A,inverse(multiply(inverse(B),B)))),multiply(inverse(a1),a1)),
    inference(para,[status(thm),theory(equality)],[1323,2]),
    [iquote('para(1323,2)')] ).

cnf(1326,plain,
    $false,
    inference(conflict,[status(thm)],[1325,1324]),
    [iquote('conflict(1325,1324)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP415-1 : TPTP v8.1.0. Released v2.6.0.
% 0.11/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n020.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jun 13 06:49:05 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 1.10/1.51  ----- EQP 0.9e, May 2009 -----
% 1.10/1.51  The job began on n020.cluster.edu, Mon Jun 13 06:49:05 2022
% 1.10/1.51  The command was "./eqp09e".
% 1.10/1.51  
% 1.10/1.51  set(prolog_style_variables).
% 1.10/1.51  set(lrpo).
% 1.10/1.51  set(basic_paramod).
% 1.10/1.51  set(functional_subsume).
% 1.10/1.51  set(ordered_paramod).
% 1.10/1.51  set(prime_paramod).
% 1.10/1.51  set(para_pairs).
% 1.10/1.51  assign(pick_given_ratio,4).
% 1.10/1.51  clear(print_kept).
% 1.10/1.51  clear(print_new_demod).
% 1.10/1.51  clear(print_back_demod).
% 1.10/1.51  clear(print_given).
% 1.10/1.51  assign(max_mem,64000).
% 1.10/1.51  end_of_commands.
% 1.10/1.51  
% 1.10/1.51  Usable:
% 1.10/1.51  end_of_list.
% 1.10/1.51  
% 1.10/1.51  Sos:
% 1.10/1.51  0 (wt=-1) [] inverse(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),multiply(B,inverse(C)))),inverse(multiply(inverse(A),A)))))) = C.
% 1.10/1.51  0 (wt=-1) [] -(multiply(inverse(a1),a1) = multiply(inverse(b1),b1)).
% 1.10/1.51  end_of_list.
% 1.10/1.51  
% 1.10/1.51  Demodulators:
% 1.10/1.51  end_of_list.
% 1.10/1.51  
% 1.10/1.51  Passive:
% 1.10/1.51  end_of_list.
% 1.10/1.51  
% 1.10/1.51  Starting to process input.
% 1.10/1.51  
% 1.10/1.51  ** KEPT: 1 (wt=22) [] inverse(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),multiply(B,inverse(C)))),inverse(multiply(inverse(A),A)))))) = C.
% 1.10/1.51  1 is a new demodulator.
% 1.10/1.51  
% 1.10/1.51  ** KEPT: 2 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 1.10/1.51  ---------------- PROOF FOUND ----------------
% 1.10/1.51  % SZS status Unsatisfiable
% 1.10/1.51  
% 1.10/1.51  
% 1.10/1.51  After processing input:
% 1.10/1.51  
% 1.10/1.51  Usable:
% 1.10/1.51  end_of_list.
% 1.10/1.51  
% 1.10/1.51  Sos:
% 1.10/1.51  2 (wt=9) [flip(1)] -(multiply(inverse(b1),b1) = multiply(inverse(a1),a1)).
% 1.10/1.51  1 (wt=22) [] inverse(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),multiply(B,inverse(C)))),inverse(multiply(inverse(A),A)))))) = C.
% 1.10/1.51  end_of_list.
% 1.10/1.51  
% 1.10/1.51  Demodulators:
% 1.10/1.51  1 (wt=22) [] inverse(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,A)),multiply(B,inverse(C)))),inverse(multiply(inverse(A),A)))))) = C.
% 1.10/1.51  end_of_list.
% 1.10/1.51  
% 1.10/1.51  Passive:
% 1.10/1.51  end_of_list.
% 1.10/1.51  
% 1.10/1.51  UNIT CONFLICT from 1325 and 1324 at   0.35 seconds.
% 1.10/1.51  
% 1.10/1.51  ---------------- PROOF ----------------
% 1.10/1.51  % SZS output start Refutation
% See solution above
% 1.10/1.51  ------------ end of proof -------------
% 1.10/1.51  
% 1.10/1.51  
% 1.10/1.51  ------------- memory usage ------------
% 1.10/1.51  Memory dynamically allocated (tp_alloc): 17578.
% 1.10/1.51    type (bytes each)        gets      frees     in use      avail      bytes
% 1.10/1.51  sym_ent (  96)               55          0         55          0      5.2 K
% 1.10/1.51  term (  16)              415430     225964     189466         43   3696.2 K
% 1.10/1.51  gen_ptr (   8)          1517574      28947    1488627         21  11630.1 K
% 1.10/1.51  context ( 808)           298405     298403          2          3      3.9 K
% 1.10/1.51  trail (  12)               2895       2895          0         12      0.1 K
% 1.10/1.51  bt_node (  68)            39792      39788          4        204     13.8 K
% 1.10/1.51  ac_position (285432)          0          0          0          0      0.0 K
% 1.10/1.51  ac_match_pos (14044)          0          0          0          0      0.0 K
% 1.10/1.51  ac_match_free_vars_pos (4020)
% 1.10/1.51                                0          0          0          0      0.0 K
% 1.10/1.51  discrim (  12)           139163      14639     124524          0   1459.3 K
% 1.10/1.51  flat (  40)             2357933    2357933          0        716     28.0 K
% 1.10/1.51  discrim_pos (  12)         1935       1935          0          1      0.0 K
% 1.10/1.51  fpa_head (  12)            4450          0       4450          0     52.1 K
% 1.10/1.51  fpa_tree (  28)            3158       3158          0         31      0.8 K
% 1.10/1.51  fpa_pos (  36)             1581       1581          0          1      0.0 K
% 1.10/1.51  literal (  12)             5420       4095       1325          1     15.5 K
% 1.10/1.51  clause (  24)              5420       4095       1325          1     31.1 K
% 1.10/1.51  list (  12)                 315        259         56          3      0.7 K
% 1.10/1.51  list_pos (  20)            4445        484       3961          0     77.4 K
% 1.10/1.51  pair_index (   40)              2          0          2          0      0.1 K
% 1.10/1.51  
% 1.10/1.51  -------------- statistics -------------
% 1.10/1.51  Clauses input                  2
% 1.10/1.51    Usable input                   0
% 1.10/1.51    Sos input                      2
% 1.10/1.51    Demodulators input             0
% 1.10/1.51    Passive input                  0
% 1.10/1.51  
% 1.10/1.51  Processed BS (before search)   2
% 1.10/1.51  Forward subsumed BS            0
% 1.10/1.51  Kept BS                        2
% 1.10/1.51  New demodulators BS            1
% 1.10/1.51  Back demodulated BS            0
% 1.10/1.51  
% 1.10/1.51  Clauses or pairs given      1926
% 1.10/1.51  Clauses generated           2814
% 1.10/1.51  Forward subsumed            1491
% 1.10/1.51  Deleted by weight              0
% 1.10/1.51  Deleted by variable count      0
% 1.10/1.51  Kept                        1323
% 1.10/1.51  New demodulators             255
% 1.10/1.51  Back demodulated             107
% 1.10/1.51  Ordered paramod prunes         0
% 1.10/1.51  Basic paramod prunes       30818
% 1.10/1.51  Prime paramod prunes          12
% 1.10/1.51  Semantic prunes                0
% 1.10/1.51  
% 1.10/1.51  Rewrite attmepts          237717
% 1.10/1.51  Rewrites                     854
% 1.10/1.51  
% 1.10/1.51  FPA overloads                  0
% 1.10/1.51  FPA underloads                 0
% 1.10/1.51  
% 1.10/1.51  Usable size                    0
% 1.10/1.51  Sos size                    1217
% 1.10/1.51  Demodulators size            203
% 1.10/1.51  Passive size                   0
% 1.10/1.51  Disabled size                107
% 1.10/1.51  
% 1.10/1.51  Proofs found                   1
% 1.10/1.51  
% 1.10/1.51  ----------- times (seconds) ----------- Mon Jun 13 06:49:06 2022
% 1.10/1.51  
% 1.10/1.51  user CPU time             0.35   (0 hr, 0 min, 0 sec)
% 1.10/1.51  system CPU time           0.07   (0 hr, 0 min, 0 sec)
% 1.10/1.51  wall-clock time           1      (0 hr, 0 min, 1 sec)
% 1.10/1.51  input time                0.00
% 1.10/1.51  paramodulation time       0.03
% 1.10/1.51  demodulation time         0.08
% 1.10/1.51  orient time               0.01
% 1.10/1.51  weigh time                0.00
% 1.10/1.51  forward subsume time      0.02
% 1.10/1.51  back demod find time      0.01
% 1.10/1.51  conflict time             0.00
% 1.10/1.51  LRPO time                 0.01
% 1.10/1.51  store clause time         0.18
% 1.10/1.51  disable clause time       0.00
% 1.10/1.51  prime paramod time        0.01
% 1.10/1.51  semantics time            0.00
% 1.10/1.51  
% 1.10/1.51  EQP interrupted
%------------------------------------------------------------------------------